CN108367324A - Correction system and antidote - Google Patents

Correction system and antidote Download PDF

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Publication number
CN108367324A
CN108367324A CN201680074333.6A CN201680074333A CN108367324A CN 108367324 A CN108367324 A CN 108367324A CN 201680074333 A CN201680074333 A CN 201680074333A CN 108367324 A CN108367324 A CN 108367324A
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CN
China
Prior art keywords
blank
mentioned
cooling fluid
cooling
shape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680074333.6A
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Chinese (zh)
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CN108367324B (en
Inventor
闵观植
李泌钟
高圣贤
权辉燮
朴承禹
姜宗勋
徐在荥
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Posco Holdings Inc
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Posco Co Ltd
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Publication date
Priority claimed from KR1020150184739A external-priority patent/KR101758519B1/en
Priority claimed from KR1020150184729A external-priority patent/KR101746984B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of CN108367324A publication Critical patent/CN108367324A/en
Application granted granted Critical
Publication of CN108367324B publication Critical patent/CN108367324B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/46—Roll speed or drive motor control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B21B37/76—Cooling control on the run-out table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers

Abstract

The present invention relates to correction systems and antidote that correction can be performed in accordance with the shape model of blank, and the correction system and antidote include：Cooling device, for the cooling blank for having passed through milling train after heating stove heat, to the multiple regions divided in the width direction along blank, with prescribed model spray cooling fluid；Apparatus for correcting, correction have passed through the blank of above-mentioned cooling device；Flatness meter measures the flatness for the blank for having passed through above-mentioned cooling device；And control unit, the flatness data of blank is received from above-mentioned flatness meter, and above-mentioned cooling device is accordingly controlled to improve the flatness of blank with the flatness data.Through this structure, following effect can be obtained, that is, can accordingly be set with the shape model of blank correct roller ask away from and straightening speed, and by control cooling device width direction on cooling flow can improve blank flatness effect.

Description

Correction system and antidote
Technical field
The present invention relates to correction system and antidotes, relate in more detail with the shape model of blank accordingly into The correction system and antidote of row correction.
Background technology
Fig. 1 is the figure for schematically showing common sheet fabrication production line.Referring to Fig.1, blank from heating furnace 10 with high temperature After state is taken out and passed through milling train 20, in the tentatively correction of preliminary straightening machine 30 and accelerate to cool down in postcooling device 40.It connects It, accelerates cooling blank by being cooled down in cooling bench 60 after 50 shape correction of heat straightening machine.Then, in above-mentioned cooling bench 60 After air cooling blank and utilization check the flatness that equipment 70 measures the blank, judge whether need to carry out such as in process Gagging etc. adds correction process.
The online operating condition for improving shape process of above-mentioned straightening machine 50 determines before the rolling of blank terminates, according to Steel grade, the thickness of blank, width and predicted temperature set the operating condition.But there are this problems, that is, from rolling Blank after the cause for carrying out correction process afterwards considers the temperature change less than blank, the shape of blank, acceleration are cooling after rolling The variables such as shape, to can not achieve accurately correction work.
In addition, on the process line that can produce the blank of 55m length, the shape of the more long then blank of length of blank is more unstable Fixed, in the front end of blank, medial end portions and rear end, its shape is different.For the condition of the blank before such correction, By carrying out primary setting come in the case of carrying out correction process along its length with identical correction condition, ensure it is outstanding It is restricted when flatness.
In turn, in order to ensure more excellent flatness, in the cooling process before correction process, it is also necessary to by making blank Width direction on temperature deviation minimize and prevent the deformation of blank.
Fig. 2 is the schematic diagram for schematically showing the cooling device for being used in previous sheet fabrication production line.
With reference to Fig. 2, previous cooling device sprays the width direction of blank the cooling fluid of specified amount.But when right Blank width direction injection specified amount cooling fluid when, due to blank central part cooling fluid contact area relative to The central part is small, and to be reduced to the cooling effect of the central part, but the edge of blank is then because of cooling fluid contact area Cooling effect increase greatly, thus there are problems that blank generates temperature deviation on the whole.
Invention content
Technical task
The present invention makes to solve problem as described above, it is intended that provide it is a kind of by with blank Shape model accordingly control apparatus for correcting and cooling device to improve the correction system and antidote of flatness.
Also, it is an object of the present invention in order to solve problem as described above, a kind of correction system and correction are provided Method can change the flow of the cooling fluid supplied to width direction by control in the correction system and antidote Cooling device thus make the temperature in the width direction of high temperature blank accordingly to supply cooling fluid with the width of blank Deviation minimizes.
Technical Solving
In order to reach purpose as described above, the correction system of a preferred embodiment of the present invention includes：Cooling device is The cooling blank for having passed through milling train after heat stove heat, to multiple regions divided in the width direction along blank, to advise Mould-fixed spray cooling fluid；Apparatus for correcting, correction have passed through the blank of above-mentioned cooling device；Flatness meter, measurement pass through The flatness of the blank of above-mentioned cooling device；And control unit, from the flatness data of above-mentioned flatness meter reception blank, and with The flatness data accordingly controls above-mentioned cooling device to improve the flatness of blank.
Also, above-mentioned control unit, which can save, has the data of multiple shape models and for accordingly being controlled with the shape model The data for making above-mentioned cooling device, it is above-mentioned to control by the shape model of the measured blank of matching and the shape model of preservation Cooling device.
In addition, above-mentioned control unit can accordingly control above-mentioned cooling device to adjust to blank with the shape model of blank The flow of the cooling fluid of width direction injection.
It may also include high temperature blank temperature sensor, which is configured at the upper of above-mentioned cooling device Trip, measures the temperature in the width direction for the blank that above-mentioned cooling device side enters, above-mentioned control unit can with from above-mentioned height The width direction temperature data for the blank that warm blank temperature sensor receives accordingly controls above-mentioned cooling device to adjust to base The flow of the cooling fluid of the width direction injection of material.
Also, it may also include cooling blank temperature sensor, which is configured at above-mentioned cooling dress The downstream set measures the temperature in the width direction for the blank for having passed through above-mentioned cooling device, if above-mentioned control unit is from above-mentioned cold But the temperature deviation in the width direction for the blank that blank temperature sensor receives can then reset reply more than set point of temperature The flow of the cooling fluid of each area spray divided on blank.
Above-mentioned cooling device includes：Pedestal is connect with external cooling fluid supply line；And nozzle assembly, it is configured at Pedestal is stated, to the multiple regions divided in the width direction along blank with prescribed model spray cooling fluid.
Said nozzle component is configured in above-mentioned pedestal to receive the supply of cooling fluid, with multiple rows and columns configured with spray Mouth is divided into multiple nozzle sets by the said nozzle formation group of regulation number, by being opened and closed said nozzle group come to regulation area Domain spray cooling fluid.
Also, above-mentioned pedestal is configured in the top of mobile blank, multiple said nozzle groups of said nozzle component with The width direction of above-mentioned blank is parallelly configured with a row.
Said nozzle component can individually be opened and closed multiple said nozzle groups by being controlled, and thus, it is possible to every to be directed to The mode that one said nozzle group keeps the flow of the cooling fluid of the width direction injection to blank different from each other is sprayed.
More specifically, said nozzle component may include：Shell preserves cooling fluid；Said nozzle, with to above-mentioned shell Inside mode outstanding is formed with through hole to external spray cooling fluid configured with multiple along its length；Plate is covered, is configured Have multiple, is respectively arranged at and is opened and closed said nozzle group respectively above multiple said nozzle groups；And actuator, in above-mentioned shell Body makes multiple above-mentioned plates of covering individually move up and down configured with multiple.
Also, above-mentioned plate of covering may include：Substrate, be formed with make cooling fluid flow multiple flow orifices, one side with it is upper State actuator connection；And elastic component, it is configured at the another side of aforesaid substrate, corresponding with the flow orifice of aforesaid substrate Position is formed with hole, and the through hole of said nozzle is sealed when closing said nozzle.
In addition, the above-mentioned substrate for covering plate may include：Interconnecting piece, the prominent center for being formed in one side, with above-mentioned actuator Connection；And reinforcing rib, the in order to prevent deformation of aforesaid substrate are extended to form from above-mentioned interconnecting piece to around aforesaid substrate For.
In turn, said nozzle component can be configured to, in order to prevent in the region generation water attack for preserving and supplying cooling fluid The cooling fluid of specified amount is discharged using the nozzle sets for being located at two side ends in multiple said nozzle groups for phenomenon.
Here, above-mentioned control unit, which can save, has the data of multiple shape models and for accordingly being controlled with the shape model It makes the data of above-mentioned apparatus for correcting, and is controlled by matching the shape model of measured blank with the shape model preserved Above-mentioned apparatus for correcting.
Also, above-mentioned control unit can accordingly be controlled with the shape model of blank above-mentioned apparatus for correcting correct roller spacing and At least one of straightening speed.
In turn, it may also include the position-detection sensor of the position of the front end and rear end for grasping blank.
Here, above-mentioned control unit can be by receiving data, if it is detected that the front end of blank from above-mentioned position-detection sensor Portion is located at above-mentioned apparatus for correcting and the rear end of blank is located at above-mentioned cooling device, then is made by controlling above-mentioned apparatus for correcting The straightening speed for stating apparatus for correcting is identical as the cooling velocity of above-mentioned cooling device.
Also, above-mentioned control unit can be by receiving data, if it is detected that the front end of blank from above-mentioned position-detection sensor Portion is located at above-mentioned apparatus for correcting and the rear end of blank is detached from from above-mentioned cooling device, then is accordingly controlled with the shape model of blank Make the straightening speed of above-mentioned apparatus for correcting.
In turn, above-mentioned control unit can from above-mentioned flatness meter with specific time interval receive data, and with based on the data The shape model of blank accordingly control at least one of correct roller spacing and straightening speed of above-mentioned apparatus for correcting.
It may also include shape adjustment device, which is configured at the upstream of above-mentioned cooling device, by base Spray cooling fluid is expected to guide the shape distortion of blank.
Here, above-mentioned control unit, which can save, has the data of multiple shape models and for accordingly being controlled with the shape model The data for making above-mentioned shape adjustment device are controlled by matching the shape model of measured blank and the shape model of preservation Above-mentioned shape adjustment device.
Also, above-mentioned shape adjustment device can be flowed to the width direction spray cooling fluid of blank, and by adjusting cooling The emitted dose of body guides the shape distortion of blank.
More specifically, above-mentioned shape adjustment device may include：Shaped upper part adjustment portion is located at the top of blank, to blank Upper surface spray cooling fluid；And lower shape adjustment portion, it is configured at the lower part of blank, it is cold to the lower surface injection of blank But fluid.
Here, above-mentioned control unit can accordingly be controlled by the shape model with blank above-mentioned shaped upper part adjustment portion and under At least one of shape adjustment portion of portion works, at least one of the upper surface and the lower surface of blank spray cooling Fluid.
Also, above-mentioned control unit can accordingly be set by the shape model with blank should be to the upper surface of blank and following table The flow of the cooling fluid of face injection, to control the cooling fluid injection of above-mentioned shaped upper part adjustment portion and lower shape adjustment portion Amount.
In addition, above-mentioned shape adjustment device can be come by the width direction spray cooling fluid with authorized pressure to blank The cooling fluid being ejected into above-mentioned cooling device on blank is blocked to be flowed to above-mentioned heating furnace side.
The shape model of above-mentioned blank may be set to be formed with all wave patterns of wave height, in edge shape in whole region At the edge wave pattern that has maximum wave height, central part in the longitudinal direction be formed with maximum wave height center wave pattern, The curling mode of the beam mode being formed by bending in the width direction and front end or rear end winding.
Also, above-mentioned control unit can accordingly control the roll-force and mill speed of above-mentioned milling train with the shape model of blank At least one of.
In order to reach purpose as described above, the antidote of a preferred embodiment of the present invention includes：Roughness measurement Step measures the flatness by cooling device blank after cooling after having passed through milling train；Shape model grasps step, according to base The flatness data of material grasps the shape model of blank；Apparatus for correcting rate-determining steps, by the shape model of control unit and blank Accordingly control apparatus for correcting；And cooling device rate-determining steps, by control unit by controlling cooling device come the shape with blank Shape pattern is accordingly to the multiple regions divided in the width direction along blank with prescribed model spray cooling fluid.
In above-mentioned apparatus for correcting rate-determining steps, rectifying for above-mentioned apparatus for correcting can be accordingly controlled with the shape model of blank Positive at least one of roller spacing and straightening speed.
Also, above-mentioned apparatus for correcting rate-determining steps may include billet location detecting step, in the billet location detecting step The position of the middle front end and rear end for grasping blank.
Here, in above-mentioned apparatus for correcting rate-determining steps, if it is detected that the front end of blank be located at above-mentioned apparatus for correcting and The rear end of blank is located at above-mentioned cooling device, then can make above-mentioned correction by controlling above-mentioned apparatus for correcting by above-mentioned control unit The straightening speed of device is identical as the cooling velocity of above-mentioned cooling device.
Also, in above-mentioned apparatus for correcting rate-determining steps, if it is detected that the front end of blank be located at above-mentioned apparatus for correcting and The rear end of blank is detached from from above-mentioned cooling device, then can accordingly be controlled by the shape model of above-mentioned control unit and blank above-mentioned The straightening speed of apparatus for correcting.
In addition, above-mentioned apparatus for correcting rate-determining steps can with specific time interval receive flatness data, and with based on this The shape model of the blank of flatness data accordingly controls in the correct roller spacing and straightening speed of above-mentioned apparatus for correcting extremely It is one few.
Above-mentioned cooling device rate-determining steps may include：Injection flow setting procedure, by blank in the width direction to provide area Domain divides, and the stream of the cooling fluid of each area spray divided on reply blank is accordingly set with the shape model of blank Amount；And cooling fluid injecting step, by controlling the cooling formed with a row along the width direction of blank by multiple nozzle sets Device, to make multiple said nozzle groups to each region for being divided on blank individually spray cooling fluid.
Also, above-mentioned cooling device rate-determining steps may also include high temperature blank temperature measuring step, in the high temperature billet material temperature The temperature in the width direction for having passed through the blank entered to above-mentioned cooling device after milling train is measured in degree measuring process, above-mentioned It can accordingly set with the temperature data in the width direction of blank on reply blank and be divided in injection flow setting procedure The flow of the cooling fluid of each area spray.
In above-mentioned injection flow setting procedure, is preserving in order to prevent and supplying the region of cooling fluid that water attack occurs is existing As the cooling fluid of specified amount is discharged using the nozzle sets for being located at two side ends in multiple said nozzle groups.
Here, above-mentioned cooling device can be by being individually opened and closed multiple said nozzle groups, in the width direction of blank Selectively to ground specific region spray cooling fluid.
Also, above-mentioned cooling device can individually be opened and closed multiple said nozzle groups by being controlled, thus, it is possible to The mode for keeping the flow of the cooling fluid of the width direction injection to blank different from each other for each said nozzle group is sprayed It penetrates.
Here, may also include cooling blank temperature measuring process, measures and pass through in the cooling blank temperature measuring process Temperature in the width direction of above-mentioned cooling device blank after cooling, if being measured in above-mentioned cooling blank temperature measuring process Blank width direction on temperature deviation more than set point of temperature, then can be reset in above-mentioned injection flow setting procedure The flow of the cooling fluid of each area spray divided on reply blank.
It may also include：Shape adjustment step, from shape adjustment device to having passed through the base entered to cooling device after milling train Spray cooling fluid is expected to guide the shape distortion of blank；And shape adjustment device rate-determining steps, by above-mentioned control unit and institute The shape model of the blank of grasp accordingly controls above-mentioned shape adjustment device.
Here, above-mentioned shape adjustment device may include：Shaped upper part adjustment portion is configured at the top of blank, to blank Upper surface spray cooling fluid；And lower shape adjustment portion, it is configured at the lower part of blank, to the lower surface spray cooling of blank Fluid.
In above-mentioned shape adjustment device rate-determining steps, can by above-mentioned control unit by the shape model with blank accordingly At least one of above-mentioned shaped upper part adjustment portion and lower shape adjustment portion is controlled to work, to the upper surface of blank and At least one of lower surface spray cooling fluid.
Also, in above-mentioned shape adjustment device rate-determining steps, it can accordingly be set and be answered by the shape model with blank The flow for the cooling fluid sprayed to the upper surface and the lower surface of blank, to control above-mentioned shaped upper part adjustment portion and lower shape The cooling fluid emitted dose of adjustment portion.
In turn, it may also include milling train rate-determining steps, accordingly controlled with the shape model of blank in the milling train rate-determining steps Make at least one of roll-force and the mill speed of above-mentioned milling train.
Invention effect
Correction system and antidote according to the present invention can obtain following effect, that is, pass through the shape mould with blank Formula accordingly sets correct roller spacing and straightening speed, and controls the cooling flow in the width direction of cooling device, can Improve the flatness of blank.
Also, following effect can be obtained according to the present invention, that is, can change the width to blank by controlling cooling device The flow for spending the cooling fluid of direction supply, so as to make the temperature deviation in the width direction of high temperature blank minimize.
Description of the drawings
Fig. 1 is the figure for schematically showing common sheet fabrication production line.
Fig. 2 is the schematic diagram for schematically showing the previous cooling device for being used in sheet fabrication production line.
Fig. 3 is the figure for the correction system for schematically showing the embodiment of the present invention.
Fig. 4 is the block diagram for the correction system for schematically showing the embodiment of the present invention.
Fig. 5 is the shape model for schematically showing the blank that control unit is stored in the correction system of the embodiment of the present invention Figure.
Fig. 6 is the apparatus for correcting for schematically showing the length direction for blank in the correction system of the embodiment of the present invention Correct roller spacing control and straightening speed control chart.
Fig. 7 be schematically show the length for blank in the correction system of the embodiment of the present invention apparatus for correcting rectify The chart of positive speed control.
Fig. 8 is the stereogram of the cooling device for the correction system for schematically showing the embodiment of the present invention.
Fig. 9 is the solid of multiple nozzle sets in the cooling device for the correction system for schematically showing the embodiment of the present invention Figure.
Figure 10 is the front view for the working condition for schematically showing the cooling device in the correction system of the embodiment of the present invention.
Figure 11 is by amplifying the vertical of the part in the cooling device for the correction system for schematically showing the embodiment of the present invention Body figure.
Figure 12 is the solid for covering plate to schematically show that cooling device is extracted in the correction system of the embodiment of the present invention Figure.
Figure 13 be the correction system that schematically shows the embodiment of the present invention cooling device in close the state of nozzle and cut open Face figure.
Figure 14 be the correction system for schematically showing the embodiment of the present invention cooling device in the state of open nozzle cut open Face figure.
Figure 15 be the correction system for schematically showing the embodiment of the present invention cooling device in open nozzle cooling fluid Via the figure for the state that the flow orifice for covering plate moves.
Figure 16 be the correction system for schematically showing the embodiment of the present invention cooling device in when closing nozzle cool down stream The figure for the state that body is moved via the flow orifice for covering plate.
Figure 17 be the correction system for schematically showing the embodiment of the present invention cooling device in covering using another embodiment Plate closes the sectional view of the state of nozzle.
Figure 18 be the correction system for schematically showing the embodiment of the present invention cooling device in covering using another embodiment Plate opens the sectional view of the state of nozzle.
Figure 19 be extract another embodiment in the cooling device of the correction system of the embodiment of the present invention cover plate to illustrate Stereogram shown in property.
Figure 20 be the correction system for schematically showing the embodiment of the present invention cooling device in replace cover plate state shape State figure.
Figure 21 be the correction system for schematically showing the embodiment of the present invention cooling device in dismounting cover plate state figure.
Figure 22 is the precedence diagram for the antidote for schematically showing the embodiment of the present invention.
Figure 23 is the precedence diagram of apparatus for correcting rate-determining steps in the antidote for schematically show the embodiment of the present invention.
Figure 24 is the precedence diagram of cooling device rate-determining steps in the antidote for schematically show the embodiment of the present invention.
Specific implementation mode
In the following, further description and the relevant correction system of the embodiment of the present invention and antidote, to help to understand Some features of the present invention.
When marking reference numeral to the component in each attached drawing for being used to help understand embodiment that illustrates below, to difference Same parts in attached drawing mark same reference numerals as possible.In addition, in explaining the present invention, being judged as to relevant known Structure or function illustrate may make the present invention emphasis it is indefinite when, description is omitted.
In the following, being described with reference to specific embodiments of the present invention.
Fig. 3 is the figure for the correction system for schematically showing the embodiment of the present invention, and Fig. 4 is to schematically show above-mentioned correction system Block diagram.Fig. 5 is the figure for the shape model for schematically showing the blank that control unit is stored in above-mentioned correction system.Fig. 6 is It schematically shows the correct roller spacing control of the apparatus for correcting of the length direction for blank in above-mentioned correction system and rectifys The chart of positive speed control, Fig. 7 are to schematically show the above-mentioned correction system of the apparatus for correcting length in to(for) blank to rectify The chart of positive speed control.
With reference to Fig. 3 to Fig. 7, the correction system of the embodiment of the present invention includes：Cooling device 100, in order to cooling in heating furnace The blank for having passed through milling train 20 after heating, to the multiple regions of the width direction division along blank M, with prescribed model spray cooling Fluid；Apparatus for correcting 50, correction have passed through the blank M of above-mentioned cooling device 100；Flatness meter 83, measurement have passed through above-mentioned cold But the flatness of the blank M of device 100；And control unit 90, the flatness data of blank M is received from above-mentioned flatness meter 83, And at least one of above-mentioned cooling device 100 and apparatus for correcting 50 are accordingly controlled with the flatness data, thus improve base The flatness of material.
Multiple shape model data are preserved in above-mentioned control unit 90 and for accordingly being controlled with the shape model The data of at least one of cooling device 100 and above-mentioned apparatus for correcting 50 are stated, above-mentioned control unit 90 is utilized from above-mentioned flatness The data that 83 receive are counted to grasp the shape model of blank, and control in above-mentioned cooling device 100 and apparatus for correcting 50 At least one work.
Here, with reference to Fig. 5, the shape model of above-mentioned blank may be set to all waves that wave height is formed in whole region Pattern (a), edge is formed with the edge wave pattern (b) of maximum wave height, central part in the longitudinal direction is formed with maximum What the center wave pattern (c) of wave height, the beam mode (d) being formed by bending in the width direction and front end or rear end were wound Curling mode (e).Certainly, it's not limited to that for the shape model of above-mentioned blank, if there are blanks to be formed by practical distortion Other shapes pattern, then can add such shape model.
Above-mentioned apparatus for correcting 50 can be the arbitrary apparatus for correcting for being used in plank process line, above-mentioned control unit 90 and base The shape model of material accordingly controls at least one of correct roller spacing and straightening speed of above-mentioned apparatus for correcting 50.
That is, above-mentioned apparatus for correcting 50 and blank and steel grade, width, thickness etc. accordingly preset correct roller spacing and Straightening speed carries out correction work.Also above-mentioned cooling device 100 is passed through by grasping on this basis in the present invention The shape model of blank, and accordingly the additional correct roller spacing for adjusting above-mentioned apparatus for correcting 50 and correction are fast with the shape model Degree is achieved in accurate correction to carry out correction work.
Also, above-mentioned control unit 90 from above-mentioned flatness meter 83 with specific time interval receive data, and with based on the number According to the shape model of blank accordingly control at least one of correct roller spacing and the straightening speed of above-mentioned apparatus for correcting 50. That is, when blank is formed as long shape, blank is formed as the shape model formed along its length in each region each other not Together.Therefore, in the case where being formed with other shapes pattern along its length, it is also contemplated that such phenomenon is controlled can More closely carry out correction work.
For example, as shown in fig. 6, the front end of blank is beam mode, central part is flat moral pattern and rear end is It is strong to be reset to front end and rear end by being compared with the correct roller spacing a being previously set when the wave pattern of edge Positive roller spacing b, the correct roller spacing a that the correct roller spacing b ratios reset are previously set are narrower.Also, in straightening speed In the case of, it is compared also by with the correction roller speed c being previously set, to reset correct roller speed to front end and central part D is spent, the straightening speed c that the correction roller speed d ratios reset are previously set is slower, and is corrected with correction roller speed d Work.
The correction system of the embodiment of the present invention further includes position-detection sensor, which grasps blank The position (not shown) of front end and rear end.This is to more accurately adjust blank by accurately grasping the position of blank Cooling velocity and straightening speed.
For example, above-mentioned control unit 90 by from above-mentioned position-detection sensor receive data, in the front end for detecting blank When the rear end that portion is located at above-mentioned apparatus for correcting 50 and blank is located at above-mentioned cooling device 100, passes through and control above-mentioned apparatus for correcting 50, keep the straightening speed of above-mentioned apparatus for correcting 50 identical as the cooling velocity of above-mentioned cooling device 100.
That is, as shown in fig. 7, entering the time point a of cooling device 100 to the rear end of blank from cold from the front end of blank But until the time point b that device 100 is detached from, keep the straightening speed B of blank identical as cooling velocity A.
More specifically, with reference to part (a) of Fig. 7, blank is formed as the shape of length length, so as to pass through cooling in blank During device 100, the front end of the blank has been enter into apparatus for correcting 50 and executes correction work.At this point, by apparatus for correcting 50 straightening speed B is set as identical as cooling velocity A, and the part until the rear end to blank is accurately finished bosher Sequence.If accordingly the straightening speed B of blank is adjusted to the shape model of blank it is slower than cooling velocity A, after blank End occurs surfusion and is difficult to ensure the physical property needed for blank.
Also, above-mentioned control unit 90 from above-mentioned position-detection sensor by receiving data, when the front end for detecting blank It, can be with the shape mould of blank when the rear end that portion is located at above-mentioned apparatus for correcting 50 and blank is detached from from above-mentioned cooling device 100 Formula accordingly controls the straightening speed B of above-mentioned apparatus for correcting 50 to carry out correction work.
That is, with reference to the curve b of Fig. 6, since the length of blank forms short, can blank passed through cooling device 100 it Afterwards, the front end of the blank enters apparatus for correcting 50 to carry out correction work.At this point, the cooling process of blank is over, because This can accordingly adjust the straightening speed B of apparatus for correcting 50 to carry out correction work with the shape model of blank.
In turn, above-mentioned control unit 90 can accordingly be adjusted by controlling above-mentioned cooling device 100 with the shape model of blank To the flow of the cooling fluid of the width direction injection of blank.
Also, it may also include the high temperature blank temperature sensor 81 for the upstream for being configured at above-mentioned cooling device 100, the high temperature Blank temperature sensor 81 measures the temperature in the width direction for the blank that 100 side of above-mentioned cooling device enters, as a result, on Stating control unit can be by the width direction temperature data with the blank received from above-mentioned high temperature blank temperature sensor 81 accordingly Above-mentioned cooling device 100 is controlled, the flow for the cooling fluid that the width direction to adjust to blank is sprayed.
That is, to the width direction measuring temperature of blank, and by being controlled to more than the relatively high area spray of temperature The cooling fluid of flow, and to the cooling fluid or non-spray cooling fluid of the few flow of the relatively low area spray of temperature, by This can make the temperature deviation minimum of the width direction generated in blank.
In addition, may also include the cooling blank temperature sensor 82 in the downstream for being configured at above-mentioned cooling device 100, the cooling Blank temperature sensor 82 measures the temperature in the width direction for the blank for having passed through above-mentioned cooling device 100, as a result, above-mentioned control It portion 90 processed can be in the temperature deviation in the width direction of the blank received from above-mentioned cooling blank temperature sensor 82 in regulation temperature Spend or more when, it is contemplated that such temperature deviation, the cooling fluid of each area spray divided in blank by resetting reply Flow control above-mentioned cooling device 100.
That is, again measure passed through above-mentioned cooling device 100 blank width direction on temperature, when maximum temperature with When temperature deviation between minimum temperature is than that can ensure that the temperature deviation of quality is big, in order to reduce above-mentioned temperature deviation, it can lead to The injection flow for resetting cooling fluid is crossed, to increase flow or the reduction pair of the cooling fluid sprayed highest temperature region The flow of the cooling fluid of minimum temperature area spray.
Through this structure, using the data measured on line by above-mentioned high temperature blank temperature sensor 81, for the first time The flow of the cooling fluid to each area spray is set, and by receiving the number measured by above-mentioned cooling blank temperature sensor 82 According to if the temperature deviation in the width direction of blank more than set point of temperature, can be adjusted again for the second time to the spray of each region The flow for the cooling fluid penetrated, thus, it is possible to set the temperature deviation in the width direction of blank can be made to minimize best cold But the injection flow of fluid.
Also, the correction system of the embodiment of the present invention may also include the shape for the upstream for being configured at above-mentioned cooling device 100 Regulating device 400, the shape adjustment device 400 can be by shape distortions from blank M to blank M spray coolings fluid that guide. Here, preserving multiple shape model data in above-mentioned control unit 90 and for accordingly controlling above-mentioned shape with its shape model The data of shape regulating device 400 can be controlled by matching the shape model of measured blank M and the shape model of preservation State shape adjustment device 400.
Such above-mentioned shape adjustment device 400 can to the width direction spray cooling fluid of blank M, and by adjust it is cold But the emitted dose of fluid guides the shape distortion of blank M.
More specifically, above-mentioned shape adjustment device 400 includes：Shaped upper part adjustment portion 410 is configured at the top of blank M, To the upper surface spray cooling fluid of blank M；Lower shape adjustment portion 420 is configured at the lower part of blank M, to the following table of blank M Face spray cooling fluid.
Also, above-mentioned shaped upper part adjustment portion 410 not shown and lower shape adjustment portion 420, but above-mentioned shaped upper part tune Section portion 410 and lower shape adjustment portion 420 may include：Nozzle, spray cooling fluid；Cooling water supply line is supplied to said nozzle To cooling fluid；And control valve, it is configured at above-mentioned cooling water supply line, controls the stream of the cooling fluid supplied to said nozzle Amount.Here, the cooling water supply line being connect with above-mentioned shaped upper part adjustment portion 410 and lower shape adjustment portion 420 is separated from each other, It is also respectively provided with control valve, it thus can the individually above-mentioned shaped upper part adjustment portion 410 of Adjust and use and lower shape adjustment portion 420 The cooling fluid of injection.
Such above-mentioned shape adjustment device 400 can pass through the width direction spray cooling stream with authorized pressure to blank M Body flows to block from above-mentioned cooling device 100 to the cooling fluid that blank M sprays to above-mentioned heating furnace side.That is, above-mentioned shape Shape regulating device 400 can also work as occluded water occluding device simultaneously, which plays and prevent In the effect that the remaining occluded waters of blank M are flowed to external equipment.
Above-mentioned control unit 90 can accordingly be controlled by the shape model with blank M above-mentioned shaped upper part adjustment portion 410 and At least one of lower shape adjustment portion 420 works, and is sprayed at least one of the upper surface and the lower surface of blank M Penetrate cooling fluid.
For example, the blank M for having passed through above-mentioned cooling device 100 be formed as front end in the longitudinal direction and rear end to The beam mode of lower bending and in the direction of the width two side ends are also in the case of reclinate beam mode, if passing through control The shaped upper part adjustment portion 410 and lower shape adjustment portion 420 of above-mentioned shape adjustment device 400 are all operable to blank M The upper surface and the lower surface spray cooling fluid, although then along the length direction and width direction of blank M bending beam mode Shape is kept, but the maximum height of waveform becomes smaller.
If as described above blank M be formed as the reclinate beam mode in front end in the longitudinal direction and rear end and Two side ends are also in the case of reclinate beam mode in the direction of the width, by only carrying out shaped upper part adjustment portion 410 Work, carrys out the upper surface spray cooling fluid only to blank, then is formed along its length and width direction has bigger waveform high The beam mode of degree.If also, by only making lower shape adjustment portion 420 work, carrying out the lower surface injection only to blank Cooling fluid then forms the beam mode that wave height along its length is lower but has bigger waveform height in the width direction.
If in this way, accordingly deciding whether to the upper of blank M with the shape model for the blank M for having passed through cooling device 100 Surface and lower surface spray cooling fluid, and its data is fed back to shape adjustment device 400, then by being used in the data Then into the blank M of cooling device 100, the flatness of blank M can be improved.
Above-mentioned control unit 90 can accordingly set the upper surface and the lower surface of reply blank M with the shape model of blank M The flow of the cooling fluid of injection, and control the cooling stream of above-mentioned shaped upper part adjustment portion 410 and lower shape adjustment portion 420 Body emitted dose.
For example, the situation identical in the flow for the cooling fluid for needing that the upper surface and the lower surface of reply blank M is made to spray Under, above-mentioned control unit 90 can by the flow for the cooling fluid sprayed from above-mentioned shaped upper part adjustment portion 410 with from above-mentioned lower part shape The ratio of the flow for the cooling fluid that shape adjustment portion 420 is sprayed is set as 8: 10.This is because the upper surface of blank M is sprayed A certain amount of cooling fluid in cooling fluid is stranded in the top of blank M, therefore considers such flow, will be to blank M Upper surface injection cooling fluid flow set be compare lower surface spray cooling fluid flow it is few.At this point, can be with The flow-rate ratio for the cooling fluid sprayed the upper surface and the lower surface of blank M is accordingly set as different by the size of blank M.
In turn, the control unit 90 of the correction system of the embodiment of the present invention can accordingly be controlled with the shape model of blank M At least one of roll-force and mill speed of above-mentioned milling train 20.That is, can be adjusted most by grasping the shape model of blank M Thus the roll-force and mill speed for the milling train 20 just exerted one's influence to the shape model of blank M can make after rolling blank M to spy Determine the minimizing deformation of shape model.
It can be to the individually spray cooling fluid of the predetermined region in the width direction of blank in this way, being described in more detail below Cooling device 100.
Fig. 8 is the stereogram for the cooling device for schematically showing above-mentioned correction system, and Fig. 9 is to schematically show above-mentioned correction The stereogram of multiple nozzle sets in the cooling device of system, Figure 10 are the works for schematically showing cooling device in above-mentioned correction system Make the front view of state.Figure 11 is that stereogram local in the cooling device of above-mentioned correction system is schematically shown by amplification, Figure 12 is the stereogram for covering plate to schematically show that cooling device is extracted in above-mentioned correction system.Figure 13 and 14 is schematic Show that the sectional view of the state of closing and the opening of nozzle in the cooling device of above-mentioned correction system, Figure 15 and 16 are schematically to show The state that cooling fluid is moved via the flow orifice for covering plate when going out open nozzle in the cooling device of above-mentioned correction system and closing Figure.
With reference to Fig. 8 to Figure 16, above-mentioned cooling device 100 includes：Pedestal 200 is connect with external cooling fluid supply line 10； And nozzle assembly 300, it is configured at above-mentioned pedestal 200, the temperature deviation in the width direction in order to make blank M minimizes, right The multiple regions Z divided along the width direction of blank is with prescribed model spray cooling fluid.
Said nozzle component 300 is configured at above-mentioned pedestal 200 to receive the supply of cooling fluid, said nozzle component 300 Nozzle 320 including multiple rows and columns is, it is specified that the said nozzle 320 formation group of number is divided into multiple nozzle sets G, and leads to Opening and closing said nozzle group G is crossed to come to predetermined region spray cooling fluid.
That is, said nozzle 320 be formed with it is multiple, by will provide that the said nozzle 320 of number is used as nozzle sets G come simultaneously The said nozzle 320 of open regulation number, thus can be to predetermined region Z spray cooling fluids simultaneously, therefore can make to be supplied Flow stabilizes within a short period of time, so as to steadily chase after from instruction traffic profile.Here, cooling fluid can be Cooling water, when said nozzle 320 opens, cooling fluid falls in high temperature blank and is cooled down by dead weight freely falling body.
Also, said nozzle component 300 is by least one of the multiple said nozzle group G of opening nozzle sets G come to spy Determine region Z selectively spray cooling fluids.
More specifically, said nozzle component 300 is configured along high temperature to the width direction of blank M, thus in said nozzle The nozzle sets G of component 300 along width direction from above-mentioned high temperature to blank M with one row configuration in the case of, optionally open Specific nozzle group only cools down the specific region Z of above-mentioned high temperature blank M in multiple said nozzle group G.
For example, as shown in Figure 10, it, can be by making 2 on the basis of the left side in scheming in the case where configuring ten nozzle sets Number, No. 4, No. 7 and No. 9 nozzle sets close, and No. 1, No. 3, No. 5, No. 6, No. 8 and No. 10 nozzle sets made to open, carry out spray cooling Fluid.
According to this structure, pass through the selectively spray cooling of the specific region in the width direction to high temperature blank M Fluid can be such that the temperature deviation in width direction minimizes.That is, can be on high temperature blank M volume should be sprayed to high-temperature area Cooling fluid region, spray the cooling of volume by two~tri- nozzle sets of open position corresponding with the region Fluid, also, the cooling fluid of less flow is sprayed by an open nozzle sets to the region of relative low temperature, or pass through It closes nozzle sets and carrys out not spray cooling fluid, thus enable that the temperature deviation in width direction minimizes.
In turn, in order to prevent in the region generation water hammer for preserving and supplying cooling fluid, it is preferable that in cooling device In a period of being worked, No. 1 and No. 10 nozzle sets for being located at two side ends in multiple said nozzle groups are opened always, thus make rule Quantitative cooling fluid discharge.
Above-mentioned pedestal 200 includes：Support plate 210, for configuring said nozzle component 300；Pipe 220 is preserved, is configured at Support plate 210 is stated, is connect with above-mentioned cooling fluid supply line 10, for preserving cooling fluid；And supply pipe 230, in connection Nozzle assembly 300 and above-mentioned preservation pipe 220 are stated, for supplying cooling fluid to above-mentioned nozzle assembly 300.
That is, above-mentioned preservation pipe 220 connect to receive the supply of cooling fluid with above-mentioned cooling fluid supply line 10, and it is excellent Selection of land can pre-save to smoothly feed cooling fluid to above-mentioned nozzle assembly 300 than being protected in said nozzle component 300 The cooling fluid that the amount for the cooling fluid deposited more is measured.Also, above-mentioned supply pipe 230 is provided with valve (not shown), the valve When the cooling fluid that said nozzle component 300 preserves becomes specified amount or less, it is operable to supply cooling fluid.
Said nozzle component 300 includes：Shell 310 preserves cooling fluid；Said nozzle 320, with to above-mentioned shell 310 Inside mode outstanding configured with multiple, be formed with through hole along its length to external spray cooling fluid；Cover plate 330, it configured with multiple, is respectively arranged in multiple said nozzle groups, is opened and closed said nozzle group respectively；And actuator 340, Above-mentioned shell 310 makes multiple above-mentioned plates 330 of covering individually move up and down configured with multiple.
It is formed with hollow portion in above-mentioned shell 310, the thus cooling fluid more than internal preservation specified amount, and above-mentioned shell The lower surface of body 310 is horizontally formed, and is formed with multiple said nozzles 320.
Also, above-mentioned shell 310 is formed with long shape, can configure said nozzle group with a row.At this point, by above-mentioned shell Body 310 configures selectively to open multiple said nozzle groups along the width direction of high temperature blank, so as to in width direction Specific region supply cooling fluid.
Said nozzle 320 is configured in above-mentioned shell 310 with multiple rows and columns, thus to predetermined region spray cooling fluid. Also, said nozzle 320 faces upward from the following table of above-mentioned shell 310 states the inside protrusion of shell 310, and shape along its length Come to external spray cooling fluid at through hole.That is, it is above-mentioned cover plate 330 and close said nozzle 320 in the case of, to outstanding The end of nozzle 320 presses to close the nozzle 320, thus can more efficiently prevent from the leakage of cooling fluid.Certainly, above-mentioned spray It's not limited to that for the shape of mouth 320, as long as arbitrary shape can be then formed as to predetermined region while spray cooling fluid Shape.
Also, multiple said nozzles 320 can be by being divided into multiple nozzle sets with the nozzle formation group of regulation number.Example Such as, in said nozzle 320 in the case where above-mentioned shell 310 is formed with eight row eighty-columns, lateral eight rows are being arranged by longitudinal eight It is total to be divided into ten nozzle sets when nozzle 320 is as a nozzle sets.At this point, it is above-mentioned cover plate 300 can be opened and closed simultaneously it is above-mentioned One nozzle sets is the nozzle 320 of longitudinal lateral eight rows of eight row.
Above-mentioned plate 330 of covering is configured at the inside of above-mentioned shell 310 to move up and down, to be opened and closed simultaneously to above-mentioned shell 310 Inside multiple said nozzles 320 outstanding be a nozzle sets mode work, thus via multiple said nozzles 320 Cooling fluid is sprayed or blocked simultaneously.At this point, making above-mentioned cover by the driving of the actuator 340 configured in above-mentioned shell 310 Plate 330 moves up and down.At this point, in the state of closing said nozzle 320, by movement, above-mentioned to cover plate 330 above-mentioned to open It, can be by adjusting the above-mentioned spacing covered between plate 330 and said nozzle 320, to control sprayed cooling fluid when nozzle 320 Flow.
More specifically, above-mentioned plate 330 of covering includes：Substrate 331 is formed with the multiple flow orifice h for making cooling fluid flow, and One side is connect with above-mentioned actuator 340；And elastic component 332, be configured at the another side of aforesaid substrate 331, and with The corresponding positions flow orifice h of aforesaid substrate 331 are formed with hole, and passing through for said nozzle 320 is sealed when said nozzle 320 is closed Through-hole.
The area of aforesaid substrate 331 is the area that can cover 320 whole of multiple nozzles for being configured at above-mentioned shell 310, is The drag minimization from cooling fluid when making to move up and down, area except the region for closing said nozzle 320 Domain is formed with flow orifice h.That is, aforesaid substrate 331 has required area, therefore aforesaid substrate 331 is on 310 inside edge of above-mentioned shell When upper and lower directions moves, the big resistance from cooling fluid, therefore the response to controlling signal are generated because of wide surface area It is slack-off and be difficult to chase after from instruction traffic profile, in order to ensure fast response speed, by forming multiple flow orifice h, make The flow resistance generated when lower mobile minimizes.
In the state of closing said nozzle 320, said nozzle is opened by moving 331 upward side of aforesaid substrate When 320, as shown in figure 15, the cooling fluid of volume can be made to flow via the multiple flow orifice h formed in aforesaid substrate 33, therefore Make the minimizing deformation of aforesaid substrate 331 by reducing the resistance applied to aforesaid substrate 331.In addition, the stipulated time with Afterwards, in the case of being moved to close said nozzle 320, as shown in figure 16, the cooling of volume can be made via multiple flow orifice h Fluid flows, therefore can reduce the resistance applied to aforesaid substrate 331.
Also, the above-mentioned substrate 331 for covering plate 330 includes：Interconnecting piece 333 protrudes shape from the center of 331 one side of substrate At for being connect with above-mentioned actuator 340；And reinforcing rib 334, the deformation of aforesaid substrate 331 in order to prevent, from above-mentioned connection Portion 333 is extended to form to around aforesaid substrate 331.
That is, aforesaid substrate 331 has wide surface area, therefore when moving up and down, centered on by interconnecting piece 333 before Afterwards and bending deformation occurs for the side of left and right four, thus when long-time is used due to being accumulated in 331 fatigue loading of aforesaid substrate It can lead to that damaged problem occurs, therefore, reinforcing rib 334 is formed as from the interconnecting piece being centrally formed in aforesaid substrate 331 Until 333 extend to around aforesaid substrate 331, the reinforcing rib 334 reply bending load is thus utilized.At this time, it is preferable that on Reinforcing rib 334 is stated to connect with the one side welding of above-mentioned interconnecting piece 333 and aforesaid substrate 331.
In turn, plate 330 is covered inside above-mentioned shell 310 with a row configuration come the case where being opened and closed said nozzle 320 above-mentioned Under, it is preferable that above-mentioned reinforcing rib 334 is formed in aforesaid substrate 331 along with the above-mentioned direction same direction for covering plate 330 of configuration.That is, It is above-mentioned cover plate 330 and move up and down when, the cooling fluid inside above-mentioned shell 310 covers being pushed to due to movement for plate 330 because above-mentioned Both sides, the cooling fluid being passed in this way apply big load to adjacent plate 330 of covering, therefore can cause adjacent to cover plate 330 breakage.Therefore, by along and the above-mentioned direction same direction for covering plate 330 of configuration form reinforcing rib 334, can reinforce on State the region of the load centralization on substrate 331.
Figure 17 and Figure 18 is closed using the plate of covering of another embodiment in the cooling device for schematically show above-mentioned correction system Close and open the sectional view of the state of nozzle.
7 and Figure 18 referring to Fig.1, the elastic component 332 for covering plate 330 may also include protruding portion 332a, and protruding portion 332a is prominent The position touched with nozzle 320 for going out to be formed in elastic component 332, by pressurizeing come closed said nozzle 320.That is, above-mentioned bullet Property component 332 is formed in the region touched with said nozzle 320 to 320 side of said nozzle protruding portion 332a outstanding, by This is sealed when closing said nozzle 320 in a manner of so that cooling fluid is leaked out.At this time, it is preferable that above-mentioned protruding portion Diameter of the diameter of 332a at least more than said nozzle 320.
Figure 19 be above-mentioned correction system cooling device in extract the solid for covering plate to schematically show of another embodiment Figure.
Referring to Fig.1 9, in order to the deformation of higher rigid support aforesaid substrate 331, in the reinforcing rib that substrate 331 is formed 334 include：Multiple first muscle 334a, extend to form from above-mentioned interconnecting piece until each corner of aforesaid substrate 331；Second muscle 334b is configured at multiple above-mentioned tops first muscle 334a, makes to connect between multiple above-mentioned first muscle 334a.Certainly, above-mentioned reinforcement It's not limited to that for the shape and structure of muscle 334, as long as can prevent the bending of aforesaid substrate 331, then can be formed For arbitrary shape.
Figure 20 is to schematically show the state diagram that the state for covering plate is replaced in above-mentioned cooling device, and Figure 21 is to schematically show The figure of the state of plate is covered in dismounting in above-mentioned cooling device.
With reference to Figure 20 and Figure 21, above-mentioned plate 330 of covering is formed in a manner of it can dismount in above-mentioned actuator 340.That is, upper Stating the interconnecting piece 333 of the formation of substrate 331 can assemble and disassemble in the working beam of above-mentioned actuator 340.This is to be used in long-time When because of the deformation of substrate 331 or the corrosion of elastic component 332 etc., above-mentioned plate 330 of covering cannot accurately be opened and closed said nozzle 320 In the case of, it easily can only replace and cover plate 330 to use.At this point, as shown in figure 20, above-mentioned actuator 340 and above-mentioned company Socket part 333 is connected using pin 360, therefore can more simply connect or separate above-mentioned actuator 340 and above-mentioned interconnecting piece 333. Certainly, it's not limited to that for the structure for dismounting above-mentioned actuator 340 and aforesaid substrate 331, can use various machineries even Connect method.
For this purpose, above-mentioned shell 310 may also include：Through portion 311 is connected to outside, is formed to be removed and inserted into and cover The size of plate 330；And door portion 350, it is opened and closed the through portion 311 of above-mentioned shell 310.That is, above-mentioned door portion 350 is closed above-mentioned shell The through portion 311 of body 310, when needing to examine state inside above-mentioned shell 310 or need replacing above-mentioned the case where covering plate 330 Under, open the inside of above-mentioned shell 310 by opening above-mentioned door portion 350.At this point, above-mentioned door portion 350 is pivotably coupled to Above-mentioned shell 310 is opened and closed above-mentioned through portion 311, alternatively, above-mentioned through portion 311 can be removably configured to be opened and closed above-mentioned pass through Logical portion 311.
Figure 22 is the precedence diagram for the antidote for schematically showing the embodiment of the present invention.
With reference to Figure 22, the antidote of the embodiment of the present invention may include：Shape adjustment step (S100), is filled by shape adjustment It sets to guiding the shape distortion of blank by the blank spray cooling fluid entered to cooling device after milling train；Flatness is surveyed Step (S200) is measured, the flatness by cooling device blank after cooling is measured；Shape model grasps step (S300), according to The flatness data of blank grasps the shape model of blank；Shape adjustment device rate-determining steps (S400), by above-mentioned control unit Above-mentioned shape adjustment device is accordingly controlled with the shape model for the blank grasped；Apparatus for correcting rate-determining steps (S500), by The shape model of control unit and blank accordingly controls apparatus for correcting；And cooling device rate-determining steps (S600), by control unit Cooling device is accordingly controlled with the shape model of blank.
Here, above-mentioned shape adjustment device may include：Shaped upper part adjustment portion is configured at the top of blank, to blank Upper surface spray cooling fluid；And lower shape adjustment portion, it is configured at the lower part of blank, to the lower surface spray cooling of blank Fluid.
According to this structure, in above-mentioned shape adjustment device rate-determining steps (S400), above-mentioned control unit can be with blank Shape model accordingly control at least one of above-mentioned shaped upper part adjustment portion and lower shape adjustment portion and work, by This is at least one of the upper surface and the lower surface of blank spray cooling fluid.
Also, in above-mentioned shape adjustment device rate-determining steps (S400), can accordingly it be set with the shape model of blank The flow of the cooling fluid of the upper surface and the lower surface injection of blank is oriented, and controls above-mentioned shaped upper part adjustment portion and lower part shape The cooling fluid emitted dose of shape adjustment portion.
It, can be real-time by feeding back the shape model of blank in such shape adjustment device rate-determining steps (S400) Shape adjustment device is controlled to improve the flatness of blank.
Figure 23 is the precedence diagram of apparatus for correcting rate-determining steps in the antidote for schematically show the embodiment of the present invention.
It is accordingly controlled with the shape model of blank in above-mentioned apparatus for correcting rate-determining steps (S500) with reference to Figure 23 State at least one of correct roller spacing and the straightening speed of apparatus for correcting.Also, apparatus for correcting rate-determining steps (S500) include Billet location detecting step grasps the front end of blank and the position of rear end in the billet location detecting step.
More specifically, by grasping the front end of blank and the position (S520) of rear end, if it is detected that the front end of blank Portion is located at above-mentioned apparatus for correcting and the rear end of blank is located at above-mentioned cooling device ("Yes" in S530), then by above-mentioned control unit Above-mentioned apparatus for correcting is controlled, the straightening speed of above-mentioned apparatus for correcting is set as identical as the cooling velocity of above-mentioned cooling device (S510)。
Also, if it is detected that the front end of blank is located at the rear end of above-mentioned apparatus for correcting and blank from above-mentioned cooling device It is detached from ("No" in S530), then accordingly controls the correction of above-mentioned apparatus for correcting by the shape model of above-mentioned control unit and blank Speed (S540).
That is, when the front end of blank enters rear end cooling also in cooling device of apparatus for correcting and blank, lead to It is identical as the cooling velocity of cooling device to cross the straightening speed controlled to make apparatus for correcting, when the rear end of blank is from cooling It is detached from device at the end of cooling process, shape with blank is adjusted to by being controlled the straightening speed by apparatus for correcting The corresponding straightening speed of shape pattern.
Here, the straightening speed of apparatus for correcting is set as the cooling velocity phase with cooling device by above-mentioned control unit in the early stage With (S510), and the front end of blank and the position (S520) of rear end are grasped, when the front end of blank is located at apparatus for correcting When rear end is detached from from cooling device under state ("No" in S530), by being controlled come corresponding with the shape model of blank Ground adjusts the straightening speed (S540) of above-mentioned apparatus for correcting.
In turn, flatness data, the shape model with the blank based on the flatness data are received with specific time interval Accordingly control at least one of correct roller spacing and the straightening speed of above-mentioned apparatus for correcting.That is, in blank with long shape When formation, the shape model in each region along its length of blank is formed as different from each other.Therefore, in shape along its length In the case of at other shapes pattern, it can be additionally contemplates that such phenomenon is controlled more closely to carry out correction work.
Figure 24 is the precedence diagram of cooling device rate-determining steps in the antidote for schematically show the embodiment of the present invention.
With reference to Figure 24, cooling device rate-determining steps include：Injection flow setting procedure (S620), in the width direction with regulation Region division blank, and accordingly set reply with the temperature in the width direction of blank and divide each area spray on blank Cooling fluid flow；And cooling fluid injecting step (S630), by controlling by multiple nozzle sets along the width of blank The cooling device that direction is formed with a row, come to each region divided on blank individually spray cooling fluid.
Also, further include the height for measuring the temperature in the width direction for having passed through the blank entered to cooling device after milling train Warm blank temperature measuring process (S610), can be in the width direction with blank in above-mentioned injection flow setting procedure (S620) Temperature data accordingly sets the flow of the cooling fluid of each area spray divided on reply blank.
In addition, further including the cooling blank of the temperature in the width direction for measure the blank cooled down by above-mentioned cooling device Temperature measuring step (S640), when in the width direction of the blank measured in above-mentioned cooling blank temperature measuring process (S640) Temperature deviation be more than set point of temperature i.e. more than the temperature deviation model that blank should meet is big when ("Yes" in S650), by examining Consider such temperature deviation, can return to adjust again in above-mentioned injection flow setting procedure (S620) and be drawn on reply blank The flow of the cooling fluid for each area spray divided.
By such method, on line according to the data measured in above-mentioned high temperature blank temperature measuring step (S610) come Setting for the first time should be to the flow of the cooling fluid of each area spray, and according to above-mentioned cooling blank temperature measuring process (S640) The data of middle measurement are then adjusted and are answered when the temperature deviation in the width direction of blank is more than set point of temperature again for the second time To the flow of the cooling fluid of each area spray, the best cooling that the temperature deviation of blank can be made to minimize thus can be set The injection flow of fluid.That is, the temperature deviation in the width direction for passing through measurement blank, and feed back the temperature deviation to adjust in real time The flow for saving the cooling fluid that need to be sprayed, can make the minimizing deformation of the blank based on temperature deviation.
Here, in above-mentioned injection flow setting procedure (S620), in order to prevent in the area for preserving and supplying cooling fluid Water hammer occurs for domain, and the nozzle sets discharge specified amount in multiple said nozzle groups positioned at two side ends can be utilized by setting Cooling fluid.
Also, above-mentioned cooling device is by being individually opened and closed multiple said nozzle groups, optionally to the width of blank Direction sets specific region spray cooling fluid.
In addition, above-mentioned cooling device is individually opened and closed multiple said nozzle groups by being controlled, for each above-mentioned Nozzle sets set the flow of the cooling fluid of the width direction injection to blank respectively differently.
In turn, the antidote of the embodiment of the present invention may also include accordingly controls above-mentioned milling train with the shape model of blank Roll-force and at least one of mill speed milling train rate-determining steps.That is, being adjusted by grasping the shape model of blank The roll-force and mill speed for the milling train initially exerted one's influence to the shape model of blank, thus can make blank after rolling to spy Determine the minimizing deformation of shape model.
Although above with restriction embodiment and illustrated the present invention, the present invention is not limited to this, this The technical staff for inventing the field can be equal with the technological thought of the present invention and claims for recording below Model is big interior to carry out various amendments and deformation.

Claims (45)

1. a kind of correction system, which is characterized in that the correction system includes：
Cooling device, for the cooling blank for having passed through milling train after heating stove heat, to along above-mentioned blank in the width direction The multiple regions of division, with prescribed model spray cooling fluid；
Apparatus for correcting, correction have passed through the blank of above-mentioned cooling device；
Flatness meter measures the flatness for the blank for having passed through above-mentioned cooling device；And
Control unit, the flatness data of blank is received from above-mentioned flatness meter, and is accordingly controlled with the flatness data above-mentioned Cooling device improves the flatness of blank.
2. correction system as described in claim 1, which is characterized in that
Data of multiple shape models and above-mentioned cold for accordingly being controlled with the shape model are preserved in above-mentioned control unit But the data of device are filled by matching the shape model of measured blank and the shape model of preservation to control above-mentioned cooling It sets.
3. correction system as claimed in claim 2, which is characterized in that
The shape model of above-mentioned control unit and blank accordingly controls above-mentioned cooling device to adjust the width direction spray to blank The flow for the cooling fluid penetrated.
4. correction system as claimed in claim 3, which is characterized in that
Further include high temperature blank temperature sensor, be configured at the upstream of above-mentioned cooling device, measures to above-mentioned cooling device side Temperature in the width direction of the blank of entrance,
The width direction temperature data of above-mentioned control unit and the blank received from above-mentioned high temperature blank temperature sensor is accordingly controlled Above-mentioned cooling device is made to adjust the flow of the cooling fluid to the injection of the width direction of blank.
5. correction system as claimed in claim 4, which is characterized in that
Further include cooling blank temperature sensor, be configured at the downstream of above-mentioned cooling device, measurement has passed through above-mentioned cooling device Blank width direction on temperature,
If above-mentioned control unit is being advised from the temperature deviation in the width direction for the blank that above-mentioned cooling blank temperature sensor receives Constant temperature degree or more then resets the flow of the cooling fluid of each area spray divided on reply blank, above-mentioned cold to control But device.
6. correction system as claimed in claim 3, which is characterized in that
Above-mentioned cooling device includes：
Pedestal is connect with external cooling fluid supply line；And
Nozzle assembly is configured at above-mentioned pedestal, is sprayed with prescribed model the multiple regions divided in the width direction along blank Cooling fluid.
7. correction system as claimed in claim 6, which is characterized in that
Said nozzle component Configuration receives the supply of cooling fluid in above-mentioned pedestal, and nozzle is configured with multiple rows and columns, by The said nozzle formation group of regulation number is divided into multiple nozzle sets, is sprayed predetermined region by being opened and closed said nozzle group Cooling fluid.
8. correction system as claimed in claim 7, which is characterized in that
Above-mentioned pedestal is configured at the top of mobile blank,
Multiple said nozzle groups of said nozzle component are parallelly configured with a row with the width direction of above-mentioned blank.
9. correction system as claimed in claim 8, which is characterized in that
Said nozzle component is individually opened and closed multiple said nozzle groups by being controlled, and thus, it is possible to each above-mentioned to be directed to The mode that nozzle sets keep the flow of the cooling fluid of the width direction injection to blank different from each other is sprayed.
10. correction system as claimed in claim 7, which is characterized in that
Said nozzle component includes：
Shell preserves cooling fluid；
Said nozzle, by the inside of above-mentioned shell it is outstanding in a manner of configured with multiple, be formed with through hole along its length To external spray cooling fluid；
Plate is covered, configured with multiple, are respectively arranged at and are opened and closed said nozzle group respectively above multiple said nozzle groups；And
Actuator makes multiple above-mentioned plates of covering individually move up and down in above-mentioned shell configured with multiple.
11. correction system as claimed in claim 10, which is characterized in that
Above-mentioned plate of covering includes：
Substrate, is formed with the multiple flow orifices for making cooling fluid flow, and one side is connect with above-mentioned actuator；And
Elastic component is configured at the another side of aforesaid substrate, and hole is formed in position corresponding with the flow orifice of aforesaid substrate, The above-mentioned through hole of said nozzle is sealed when closing said nozzle.
12. correction system as claimed in claim 11, which is characterized in that
The above-mentioned substrate for covering plate includes：
Interconnecting piece, the prominent center for being formed in one side, connect with above-mentioned actuator；And
Reinforcing rib, the in order to prevent deformation of aforesaid substrate, extends to form from above-mentioned interconnecting piece until around aforesaid substrate.
13. correction system as claimed in claim 7, which is characterized in that
Water hammer occurs preserving and supply the region of cooling fluid for said nozzle component, using multiple above-mentioned in order to prevent Positioned at the cooling fluid of the nozzle sets of two side ends discharge specified amount in nozzle sets.
14. correction system as described in claim 1, which is characterized in that
Above-mentioned control unit preserves the data of multiple shape models and for accordingly controlling above-mentioned correction with the shape model The data of device, and the shape model by matching the shape model of measured blank and having preserved fills to control above-mentioned correction It sets.
15. correction system as claimed in claim 14, which is characterized in that
The shape model of above-mentioned control unit and blank accordingly controls in the correct roller spacing and straightening speed of above-mentioned apparatus for correcting It is at least one.
16. correction system as claimed in claim 15, which is characterized in that
Further include position-detection sensor, which grasps the front end of blank and the position of rear end.
17. correction system as claimed in claim 16, which is characterized in that
Above-mentioned control unit from above-mentioned position-detection sensor by receiving data, if it is detected that the front end of blank is located at above-mentioned rectify The rear end of equipment and blank is located at above-mentioned cooling device, then makes above-mentioned apparatus for correcting by controlling above-mentioned apparatus for correcting Straightening speed is identical as the cooling velocity of above-mentioned cooling device.
18. correction system as claimed in claim 16, which is characterized in that
Above-mentioned control unit from above-mentioned position-detection sensor by receiving data, if it is detected that the front end of blank is located at above-mentioned rectify The rear end of equipment and blank is detached from from above-mentioned cooling device, then above-mentioned correction dress is accordingly controlled with the shape model of blank The straightening speed set.
19. correction system as claimed in claim 15, which is characterized in that
Above-mentioned control unit from above-mentioned flatness meter with specific time interval receive data, and with the shape of the blank based on the data Pattern accordingly controls at least one of correct roller spacing and straightening speed of above-mentioned apparatus for correcting.
20. correction system as described in claim 1, which is characterized in that
Further include shape adjustment device, which is configured at the upstream of above-mentioned cooling device, by spraying blank Cooling fluid guides the shape distortion of blank.
21. correction system as claimed in claim 20, which is characterized in that
Above-mentioned control unit preserves the data of multiple shape models and for accordingly controlling above-mentioned shape with the shape model The data of regulating device control above-mentioned shape tune by matching the shape model of measured blank and the shape model of preservation Regulating device.
22. correction system as claimed in claim 21, which is characterized in that
Above-mentioned shape adjustment device to the width direction spray cooling fluid of blank, and by adjust the emitted dose of cooling fluid come Guide the shape distortion of blank.
23. correction system as claimed in claim 22, which is characterized in that
Above-mentioned shape adjustment device includes：
Shaped upper part adjustment portion is located at the top of blank, to the upper surface spray cooling fluid of blank；And
Lower shape adjustment portion is configured at the lower part of blank, to the lower surface spray cooling fluid of blank.
24. correction system as claimed in claim 23, which is characterized in that
Above-mentioned control unit accordingly controls above-mentioned shaped upper part adjustment portion by the shape model with blank and lower shape is adjusted At least one of portion works, at least one of the upper surface and the lower surface of blank spray cooling fluid.
25. correction system as claimed in claim 24, which is characterized in that
Above-mentioned control unit accordingly set by the shape model with blank should be sprayed to the upper surface and the lower surface of blank it is cold But the flow of fluid, to control the cooling fluid emitted dose of above-mentioned shaped upper part adjustment portion and lower shape adjustment portion.
26. correction system as claimed in claim 20, which is characterized in that
Above-mentioned shape adjustment device is by the width direction spray cooling fluid with authorized pressure to blank, to block above-mentioned cold But the cooling fluid being ejected into device on blank is flowed to above-mentioned heating furnace side.
27. the correction system as described in claim 2,14 or 21, which is characterized in that
The shape model of above-mentioned blank is set as being formed with all wave patterns of wave height in whole region, is formed with most in edge The edge wave pattern of big wave height, central part in the longitudinal direction are formed with the center wave pattern of maximum wave height, along width The beam mode and the curling mode of front end or rear end winding that direction is formed by bending.
28. correction system as claimed in claim 2, which is characterized in that
The shape model of above-mentioned control unit and blank accordingly control the roll-force of above-mentioned milling train and in mill speed at least one It is a.
29. a kind of antidote, which is characterized in that
The antidote includes：
Roughness measurement step measures the flatness by cooling device blank after cooling after having passed through milling train；
Shape model grasps step, and the shape model of blank is grasped according to the flatness data of blank；
Apparatus for correcting rate-determining steps accordingly control apparatus for correcting by the shape model of control unit and blank；And
Cooling device rate-determining steps, by control unit by controlling cooling device come the shape model with blank accordingly to along blank The multiple regions divided in the width direction with prescribed model spray cooling fluid.
30. antidote as claimed in claim 29, which is characterized in that
The shape model of above-mentioned apparatus for correcting rate-determining steps and blank accordingly control above-mentioned apparatus for correcting correct roller spacing and At least one of straightening speed.
31. antidote as claimed in claim 29, which is characterized in that
Above-mentioned apparatus for correcting rate-determining steps include billet location detecting step, and blank is grasped in the billet location detecting step The position of front end and rear end.
32. antidote as claimed in claim 31, which is characterized in that
In above-mentioned apparatus for correcting rate-determining steps, if it is detected that the front end of blank is located at the rear end of above-mentioned apparatus for correcting and blank Portion is located at above-mentioned cooling device, then makes the correction speed of above-mentioned apparatus for correcting by controlling above-mentioned apparatus for correcting by above-mentioned control unit Degree is identical as the cooling velocity of above-mentioned cooling device.
33. antidote as claimed in claim 31, which is characterized in that
In above-mentioned apparatus for correcting rate-determining steps, if it is detected that the front end of blank is located at the rear end of above-mentioned apparatus for correcting and blank Portion is detached from from above-mentioned cooling device, then rectifying for above-mentioned apparatus for correcting is accordingly controlled by the shape model of above-mentioned control unit and blank Positive speed.
34. antidote as claimed in claim 29, which is characterized in that
In above-mentioned apparatus for correcting rate-determining steps, with specific time interval receive flatness data, and with based on the smooth number of degrees According to the shape model of blank accordingly control at least one of correct roller spacing and the straightening speed of above-mentioned apparatus for correcting.
35. antidote as claimed in claim 29, which is characterized in that
Above-mentioned cooling device rate-determining steps include：
Injection flow setting procedure divides blank with predetermined region in the width direction, is accordingly set with the shape model of blank Surely the flow of the cooling fluid of each area spray divided on blank is coped with；And
Cooling fluid injecting step, by controlling the cooling dress formed with a row along the width direction of blank by multiple nozzle sets It sets, to make multiple said nozzle groups to each region for being divided on blank individually spray cooling fluid.
36. antidote as claimed in claim 35, which is characterized in that
Above-mentioned cooling device rate-determining steps further include high temperature blank temperature measuring step, in the high temperature blank temperature measuring step The temperature in the width direction for having passed through the blank entered to above-mentioned cooling device after milling train is measured,
The temperature data in width direction in above-mentioned injection flow setting procedure with blank is accordingly set on reply blank The flow of the cooling fluid of each area spray divided.
37. antidote as claimed in claim 35, which is characterized in that
In above-mentioned injection flow setting procedure, in order to prevent preserve and supply cooling fluid region occur water hammer, The cooling fluid of specified amount is discharged using the nozzle sets for being located at two side ends in multiple said nozzle groups.
38. antidote as claimed in claim 35, which is characterized in that
Above-mentioned cooling device is by being individually opened and closed multiple said nozzle groups, selectively to ground spy in the width direction of blank Determine area spray cooling fluid.
39. antidote as claimed in claim 34, which is characterized in that
Above-mentioned cooling device is individually opened and closed multiple said nozzle groups by being controlled, and thus, it is possible to each above-mentioned to be directed to The mode that nozzle sets keep the flow of the cooling fluid of the width direction injection to blank different from each other is sprayed.
40. antidote as claimed in claim 36, which is characterized in that
Further include cooling blank temperature measuring process, is measured in the cooling blank temperature measuring process and pass through above-mentioned cooling device Temperature in the width direction of blank after cooling,
If the temperature deviation in the width direction of the blank measured in above-mentioned cooling blank temperature measuring process is in set point of temperature More than, then the cooling fluid of each area spray divided on reply blank is reset in above-mentioned injection flow setting procedure Flow.
41. antidote as claimed in claim 29, which is characterized in that
The antidote further includes：
Shape adjustment step, from shape adjustment device to having passed through the blank spray cooling fluid entered to cooling device after milling train To guide the shape distortion of blank；And
Shape adjustment device rate-determining steps accordingly control above-mentioned shape by the shape model of above-mentioned control unit and the blank grasped Shape regulating device.
42. antidote as claimed in claim 41, which is characterized in that
Above-mentioned shape adjustment device includes：
Shaped upper part adjustment portion is configured at the top of blank, to the upper surface spray cooling fluid of blank；And
Lower shape adjustment portion is configured at the lower part of blank, to the lower surface spray cooling fluid of blank.
43. antidote as claimed in claim 42, which is characterized in that
In above-mentioned shape adjustment device rate-determining steps, accordingly controlled by the shape model with blank by above-mentioned control unit It states at least one of shaped upper part adjustment portion and lower shape adjustment portion to work, to the upper surface and the lower surface of blank At least one of spray cooling fluid.
44. antidote as claimed in claim 42, which is characterized in that
In above-mentioned shape adjustment device rate-determining steps, accordingly being set by the shape model with blank should be to the upper table of blank The flow of the cooling fluid of face and lower surface injection, to control the cooling of above-mentioned shaped upper part adjustment portion and lower shape adjustment portion Fluid injection amount.
45. antidote as claimed in claim 29, which is characterized in that
Further include milling train rate-determining steps, above-mentioned milling train is accordingly controlled with the shape model of blank in the milling train rate-determining steps At least one of roll-force and mill speed.
CN201680074333.6A 2015-12-23 2016-07-27 Correction system and correction method Active CN108367324B (en)

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KR1020150184729A KR101746984B1 (en) 2015-12-23 2015-12-23 Cooling system and method
KR10-2015-0184729 2015-12-23
PCT/KR2016/008230 WO2017111243A1 (en) 2015-12-23 2016-07-27 Straightening system and straightening method

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EP3395461A1 (en) 2018-10-31
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EP3395461B1 (en) 2021-09-22

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